The subsurface area where the motion of seismic waves is initiated along the fault plane is called the
A)epicenter.
B)Moho.
C)Richter zone.
D)focus,or hypocenter.
E)Mercalli point.

Question

Quizplus · Accepted Answer

The focus, or hypocenter, is where the motion of seismic waves begins along the fault plane. The epicenter refers to the point on the Earth's surface directly above the focus. The Moho is the boundary between the Earth's crust and mantle, and the Richter zone and Mercalli point are not recognized scientific terms.

The Subsurface Area Where the Motion of Seismic Waves Is